Swap Compatibility Checker: Engine

There is no single, magical "Blue Book" for engine swapping. If you are looking for a website where you type in "1995 Mazda Miata" and it lists every engine that fits under the hood with 100% accuracy, you will be disappointed. However, for the savvy mechanic, a combination of OEM parts databases and community-driven "Wiki" style checkers has made the preliminary research phase significantly faster.

Want to check a specific swap right now? Reply with your chassis and donor engine. engine swap compatibility checker

Companies like and Speartech have begun releasing engine swap configuration tools. These aren't exactly "compatibility checkers," but rather "parts locators." There is no single, magical "Blue Book" for engine swapping